<!DOCTYPE html>
<html>
<head>
<style>
.c7 { display: table-row-group; }
.c7:nth-last-of-type(-n+6) { float: none; }
.c21:nth-child(2n) { position: static; float: left; }
.c26 { border-style: ridge; content: counter(section);</style>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function crash()
{
    var img = document.createElement('img');
    img.appendChild(select);
    if (window.testRunner)
        testRunner.notifyDone();
}

function insertNodes() {
    document.documentElement.appendChild(document.createElement('a'));
    document.documentElement.appendChild(document.createElement('dfn'));
    document.documentElement.appendChild(document.createElement('keygen'));
    var iframe = document.createElement('iframe');
    iframe.setAttribute('src', 'dne.html');
    document.documentElement.appendChild(iframe);
    document.documentElement.appendChild(document.createElement('rp'));
    document.documentElement.appendChild(document.createElement('ul'));
    document.documentElement.appendChild(document.createElement('option'));
    document.documentElement.appendChild(document.createElement('label'));
    document.documentElement.appendChild(document.createElement('table'));
    document.documentElement.appendChild(document.createElement('mark'));
    document.documentElement.appendChild(document.createElement('bdo'));
    document.documentElement.appendChild(document.createElement('colgroup'));
    document.documentElement.appendChild(document.createElement('strong'));

    select = document.createElement('select');
    document.documentElement.appendChild(select);

    var sup = document.createElement('sup');
    sup.setAttribute('class', 'c7');
    document.documentElement.appendChild(sup);
    var td = document.createElement('td');
    td.setAttribute('class', 'c21');
    document.documentElement.appendChild(td);

    var th = document.createElement('th');
    th.setAttribute('colspan', '2');
    th.setAttribute('class', 'c26');
    sup.appendChild(th);

    setTimeout(crash, 0);
}
window.addEventListener("load", insertNodes, false);
</script>
</head>
<body>
<p> Bug <a href="https://bugs.webkit.org/show_bug.cgi?id=70171">70171</a>: Crash in LayoutTableSection::splitColumn</p>
<p> This test PASSES if it does not CRASH or ASSERT.</p>
</body>
</html>
